Editorial Offices of Scientific Journals Address: Bei Yi Tiao 13, Zhong Guan Cun Beijing 100080, P. R. China Tel/Fax: 86-10-62554303 http://www.im.ac.cn/journals/ Acta Microbiologica Sinica (Bi-monthly) Editor-in-Chief: Prof. Li, Jilun, CAS Academician Tel: 86-10-62630422 E-mail: actamicro@sun.im.ac.cn Acta Microbiologica Sinica, first published in 1953, is a comprehensive scientific journal sponsored by Chinese Society of Microbiology and the Institute of Microbiology, Chinese Academy of Sciences. Acta Microbiologica Sinica publishes peer-reviewed original research papers and brief reports on general microbiology, industrial, agricultural, medical and veterinary microbiology, virology, immunology, and biotechnology. With its high academic standard and a fast publishing schedule, it plays an important role in disseminating and promoting both domestic and international information and knowledge. Acta Microbiologica Sinica is a broad-based journal and is intended for microbiological professionals, university teachers and students both at home and abroad.